content: /*
   * Copyright 2011-2016 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package ix;
  
  import java.util.Comparator;
  
  import org.junit.Test;
  
  public class OrderedMergeTest {
  
      @Test
      public void normalArray() {
          @SuppressWarnings("unchecked")
          Ix<Integer> source = Ix.orderedMergeArray(Ix.fromArray(1, 3), Ix.fromArray(2, 4, 5));
  
          IxTestHelper.assertValues(source, 1, 2, 3, 4, 5);
          IxTestHelper.assertNoRemove(source);
      }
  
      @Test
      public void normalIterable() {
          @SuppressWarnings("unchecked")
          Ix<Integer> source = Ix.orderedMerge(Ix.fromArray(Ix.fromArray(1, 3), Ix.fromArray(2, 4, 5)));
  
          IxTestHelper.assertValues(source, 1, 2, 3, 4, 5);
          IxTestHelper.assertNoRemove(source);
      }
  
      @Test
      @SuppressWarnings("unchecked")
      public void firstEmptyArray() {
          Ix<Integer> source = Ix.orderedMergeArray(Ix.<Integer>empty(), Ix.fromArray(2, 4, 5));
  
          IxTestHelper.assertValues(source, 2, 4, 5);
      }
  
      @Test
      @SuppressWarnings("unchecked")
      public void secondEmptyArray() {
          Ix<Integer> source = Ix.orderedMergeArray(Ix.fromArray(1, 3), Ix.<Integer>empty());
  
          IxTestHelper.assertValues(source, 1, 3);
      }
  
      @Test
      @SuppressWarnings("unchecked")
      public void bothEmptyArray() {
          Ix<Integer> source = Ix.orderedMergeArray(Ix.<Integer>empty(), Ix.<Integer>empty());
  
          IxTestHelper.assertValues(source);
      }
  
      @Test
      public void comparatorArray() {
          @SuppressWarnings("unchecked")
          Ix<Integer> source = Ix.orderedMergeArray(
                  new Comparator<Integer>() {
                      @Override
                      public int compare(Integer o1, Integer o2) {
                          return o2.compareTo(o1);
                      }
                  },
                  Ix.fromArray(3, 1), Ix.fromArray(5, 4, 2));
  
          IxTestHelper.assertValues(source, 5, 4, 3, 2, 1);
          IxTestHelper.assertNoRemove(source);
      }
  
      @Test
      public void comparatorIterable() {
          @SuppressWarnings("unchecked")
          Ix<Integer> source = Ix.orderedMerge(Ix.fromArray(Ix.fromArray(3, 1), Ix.fromArray(5, 4, 2)),
                  new Comparator<Integer>() {
              @Override
              public int compare(Integer o1, Integer o2) {
                  return o2.compareTo(o1);
              }
          }
          );
  
          IxTestHelper.assertValues(source, 5, 4, 3, 2, 1);
          IxTestHelper.assertNoRemove(source);
      }
  
      @Test
      public void lotsOfIterables() {
          Ix<Integer> source = Ix.orderedMerge(Ix.repeatValue(Ix.just(1), 30)).sumInt();
  
          IxTestHelper.assertValues(source, 30);
      }
  }
  